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Finding the Fourth Proportional to 88,315.92, 132,473.88 and 51,354

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Solution

The fourth proportional to 88,315.92, 132,473.88 and 51,354 is: 77,031

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.92 : 132,473.88 = 51,354 : x
  2. Step 2: Convert to fraction form
    88,315.92/132,473.88 = 51,354/x
  3. Step 3: Cross multiply
    88,315.92x = 132,473.88 × 51,354
  4. Step 4: Simplify right side
    88,315.92x = 6,803,063,633.52
  5. Step 5: Solve for x
    x = 6,803,063,633.52/88,315.92
  6. Step 6: Final answer
    x = 77,031

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.